[Picture] Fuse the two elements together.
K2SO4 MgSO4 Al2(SO4)3 Ge2(SO4)4KNO3 Mg(NO3)2 Al(NO3)3 Ge(NO3)4KCH3COO Mg(CH3COO)2 Al(CH3COO)3 Ge(CH3COO)4 Note: all of the numerical are subscript to each element or compound.