Picture of reaction: Сoding to search: CaCl2 + Na2CO3 = CaCO3 + 2 NaCl. Na2CO3 Disodium Carbonate Washing Soda Natriumkarbonat Carbonic Acid Sodium Salt (1:2) Anhydrous … A reaction with the formation of a white precipitate (calcium carbonate): Na2CO3 + CaCl2-----CaCO3 + 2 NaCl S130: Chemical Rxns – Precipitation – CaCl2 + Na2CO3 -> CaCO3 Introduction A simple demonstration of how a precipitate is evidence of a chemical reaction taking place is performed by mixing solutions of calcium chloride and sodium carbonate to form the precipitate calcium carbonate (CaCO 3 ). Sodium Carbonate - Na 2 CO 3. Double Displacement (Metathesis) Reactants. Add / Edited: 13.09.2014 / Evaluation of information: 5.0 out of 5 / number of votes: 1. Please register to post comments. Become a Patron! Na2CO3 + CaCl2 = CaCO3 + NaCl - Chemical Equation Balancer. ChemiDay you always could … Reaction Type.