The correct answer is Acidity.Explanation:Mg(OH)2 is the chemical formula for milk of magnesia, also known as magnesium dihydroxide or magnesium hydroxide.Milk of magnesia can be made by combining various magnesium salt solutions with basic or alkaline water. The precipitation of solid milk of magnesia is usually the result of the resulting chemical reactions. The ionic chemical reaction that takes place is:2OH‚¬€œ + Mg2+ ? Mg(OH)2 [Milk of Magnesia]Milk of magnesia is sold as chewable pills, capsules, powder, and liquid suspensions for medicinal use (often in flavoured forms). A suspension of magnesium hydroxide in water called milk of magnesia is used as antacid in medicine.Milk of magnesia an emulsion is used for stomach disorders.Milk of magnesia is commonly sold as an antacid to neutralise stomach acid and relieve indigestion and heartburn.It is a laxative that can help with constipation. As a laxative, osmotic force of magnesia draws fluids from the body.High doses can cause diarrhoea and deplete the body's potassium supply, resulting in muscle cramps.