Question

how many grams of metallic copper are required to react with the number of moles of Cu2+ , 0.16mol, to form CuCl overall reaction can be taken as:
Cu2+(aq) + 2 Cl- (aq) + Cu(s)-->2CuCl(s)

Answer 1

You can take a look at this post on simple stoichiometry and follow the steps.
http://www.jiskha.com/science/chemistry/stoichiometry.html