The ruler for solubility of hydroxide is discussed through action of franklinic electricity between anion and cation, the strength of hydrated ion and ionic polarization.

本文认为金属氢氧化物基本是离子晶体，从阴阳离子之间的电力作用大小和离子水合与极化大小出发，探讨金属氢氧化物的溶解度及规律。