Cu->cuo -> cucl2-> cu(OH)2-> cuo-> cuso4

Question

Cu->cuo -> cucl2-> cu(OH)2-> cuo-> cuso4

Answer 1

2Сu+O2=2CuO
CuO+2HCl=CuCl2+H2O
CuCl2+2NAOH=Cu(OH)2+2NaCl
Cu(OH)=CuO+H2O при нагревании
CuO+So3=CuSO4