Verified answer

cuo+h2=cu+h2o

cu+2h2so4{конц.}=cuso4+so2+2h2o

cuso4+2naoh=na2so4+cu(oh)2-осадок

cu(oh)2={t°} cuo+h2o

cuo+2hcl=cucl2+h2o

cucl2+2agno3=cu(no3)2+2agcl-осадок

3cu(no3)2+2k3po4=cu3(po4)2-осадок+6kno3