Solubility of salts in water
You can find a table from the Handbook of chemistry and physics that summarises the maximum solubility of different salts in water (expressed in g/100g H2O) on the following link:
https://fr.wikipedia.org/wiki/Liste_de_solubilit%C3%A9s_et_de_pKs_de_sels_dans_l%27eau