Answer:
In this chemical reaction, KOH is a reactant.
Explanation:
Reactants are those substances which are present on the left side of the reaction. These reactants react with each other to form products. In this chemical reaction, Potassium hydroxide (KOH) reacts with hydrogen bromide (HBr) producing potassium bromide and water molecules. These substances are formed by exchanging their atoms and make chemical bonds with each other.
