In a double replacement reaction, the cations and anions of the two compounds switch places to form new compounds. In this case, sodium chloride NaCl and silver nitrate AgNO3 will undergo a double replacement reaction.The reaction can be represented as:NaCl aq + AgNO3 aq NaNO3 aq + AgCl s The products of the reaction are sodium nitrate NaNO3 and silver chloride AgCl . Silver chloride will precipitate out of the solution as a solid because it is poorly soluble in water.