d031b852_ध_रस_यन___क__स_च____व_क_प_ड_य___Source_and_description
[Chemical name] magnesium hydroxide [Chemical formula] Mg(OH)2 [Common or alternative name] Milk of Magnesia [Source and description] 
Milk of Magnesia is an antacid used to settle sour (acidic) stomachs. Some antacid tablets also contain magnesium hydroxide.
सरलता से उपलब्ध रसायनों की सूची - विकिपीडिया