It sounds like you're asking "If two conductive materials are brought in contact, and one of them is electrically neutral, and one is positively charged, which direction will charge flow?"
If that is indeed your question, then the answer is that negative charges (electrons) will flow from the neutral object to the positive object until they are at the same electrical potential (both bodies will end up positively charged).
The reason is this: the positively charged object will exert an attractive force on each electron in the neutral object, and a repulsive force on each proton in the neutral object. However, the protons are unable to move, being bound to the nucleus, which is stuck in a lattice of chemical bonds. The electrons in the highest energy levels, on the other hand, are free to move in a conductor, so they react to the attractive force by flowing towards the positively charged object.
