CuO--> CuSO4-->Cu(OH)-->CuCl2-->Cu

Question

CuO--> CuSO4-->Cu(OH)-->CuCl2-->Cu

Answer 1

CuO+H2SO4 = CuSO4+H2O
CuSO4+2NaOH = Cu(OH)2+Na2SO4
Cu(OH)2+2HCl = CuCl2+2H2O
CuCl2+Zn = ZnCl2+Cu