CuSO4+2H2O Cu(OH)2+H2SO4
11.CuSO4
ClO-+H2O HClO+OH-
NaClO+H2O HClO+NaOH
10.NaClO
CN-+H2O HCN+OH-
NaCN+H2O HCN+NaOH
9.NaCN
F-+H2O HF+OH-
8.NaF
NaF+H2O HF+NaOH