HCL-CL2-CUCL2-CU(OH)2-CUO-CU

Question

HCL-CL2-CUCL2-CU(OH)2-CUO-CU

Answer 1

Cu+Cl2=CuCl2
СuCl2=Cu+Cl2
2Cu+O2=2CuO
CuSO4+2NaOH=Cu(OH)2+Na2SO4
Cu(OH)2=CuO+H2O
2CuO=2Cu+O2