Sr(OH)2 + HBr = SrBr2 + H2O is a Double Displacement (Acid-Base) reaction where one mole of aqueous Strontium Hydroxide [Sr(OH)2] and two moles of aqueous Hydrogen Bromide [HBr] react to form one mole of aqueous Strontium Bromide [SrBr2] and two moles of liquid Water [H2O] Reac...