Alkaline earth metal compounds are less soluble in water than the corresponding alkali metal compounds because the alkaline earth metals have

Alkaline earth metal compounds are less soluble in water than the corresponding alkaline metal compoundReason : The high covalent nature of alkaline earth metal compounds As the size of cation decreases polorising power of cation increases covalent character increasesCovalent compounds preferably soluble in organic solvents than in water [inorganic solvent], Therefore IIA group elements compounds are less soluble in water than IA group elements compounds