$\ce{2HCl + Mg(OH)2 ->}$ কোনটি?

• a$\ce{MgCl + H2O}$
• b$\ce{MgCl2 + 2H2O}$
• c$\ce{MgO + 2HCl}$
• d$\ce{MgCl2 + H2}$