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what happens when we add sulphuric acid to lime water does the reaction become cool or hot

When dilute sulphuric acid is added to lime water, calcium sulphate is formed. Also, heat is released in the process and so the reaction mixture becomes hot. Following is the chemical equation showing the reaction

H2SO4+ Ca(OH)2→ CaSO4+ H2O

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calcium sulphate and water are formed. It is an exothermic reaction. So it becomes hot.

The reaction for ur Q is:-

Ca(OH)2+ H2SO4------------- CaSO4+2H2O

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Sulphuric acid will react with calcium hydroxide(lime water) to give calcium sulphate.

Lime water is Ca (OH)2. When lime water reacts with dilute sulphuric acid ,the double displacement reaction takes place. The reaction can be shown as:Ca (OH)2+ H2SO4→ CaSO4+ 2H2OThe reaction is exothermic in nature i.e. heat is released during the reaction.
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sulphuric acid reacts with lime water (calcium hydroxide) to give calcium sulphate.

heat is released and the temperature of the solution rises... hence the mixture becomes hot...

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When dilute sulphuric acid is added to lime water (which is a saturated solution of calcium hydroxide), it gives calcium sulphate. The process is exothermic and heat is released as:

Ca(OH)2+ H2SO4- CaSO4+ H2O

Thus , the reaction mixture becomes hot due to release of heat in the reaction.

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Ca(OH)2+ H2SO4→ CaSO4+ H2O.

There is no heat evolved in this reaction.

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When dilute sulphuric acid is added to lime water (calcium hydroxide), calcium sulphate is formed. Also, heat is released in the process and so the reaction mixture becomes hot. Following is the chemical equation showing the reaction

H2SO4 + Ca(OH)2 ---------- CaSO4 + H2O

Lime water Calcium sulphate

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Lime water is calcium hydroxide which on addition of sulfuric acid gives calcium sulfate.

During this process heat is released so reaction mixture becomes hot.

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Lime water is Ca (OH)2. When lime water reacts with dilute sulphuric acid ,the double displacement reaction takes place. The reaction can be shown as:

Ca (OH)2+H2SO4→ CaSO4+ 2H2OThe reaction is exothermic in nature i.e. heat is released during the reaction.Hope it helps.
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The reaction mentioned by you can be written in equation as;

Ca(OH)2+H2SO4→CaSO4+H2O+heat.Since this reaction involves the acid and base ,neutralization reaction takes place and a salt is formed called calcium sulphate and water are produced.Neutralization reaction results in the release of energy.Thus the reaction mixture will become hot.Hope this helps.
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