Problem- Write complete balance molecular equation for the following reactions and what type of reaction it is?
a) Solid copper (II) oxide with aqueous sulfuric acid
b) Aqueous copper (II) sulfate with solid zinc
c) Solid copper (II) hydroxide with heat producing solid copper (II) oxide and liquid water
d) Aqueous copper (II) nitrate with aqueous sodium hydroxide
State the correct equation and solve the problem