\(\circ\) Tạo \(Fe\left(OH\right)_3\):
PTPƯ: \(FeCl_3+3LiOH\rightarrow Fe\left(OH\right)_3\downarrow+3LiCl\)
PT ion RG: \(Fe^{3+}+3OH^-\rightarrow Fe\left(OH\right)_3\downarrow\)
\(\circ\) Tạo \(Cu\left(OH\right)_2\):
PTPƯ: \(CuSO_4+2NaOH\rightarrow Cu\left(OH\right)_2\downarrow+Na_2SO_4\)
PT ion RG: \(Cu^{2+}+2OH^-\rightarrow Cu\left(OH\right)_2\downarrow\)
\(\circ\) Tạo \(Mg\left(OH\right)_2\):
PTPƯ: \(MgCl_2+Ca\left(OH\right)_2\rightarrow Mg\left(OH\right)_2\downarrow+CaCl_2\)
PT ion RG: \(Mg^{2+}+2OH^-\rightarrow Mg\left(OH\right)_2\downarrow\)