Carboxylic acid ester production catalyst, a method of manufacturing the same, and manufacturing method of a carboxylic acid ester

The presence of oxygen, (a) aldehyde and alcohol, or a catalyst used in making the carboxylic acid ester by reacting, (b) 1 or or two or more alcohols, Nickel in oxidation state, X (X is nickel, palladium, platinum, ruthenium, gold, represents at least one element selected from the group consisting of silver and copper) and, but Ni / (Ni + X) atomic ratio carrier in carrying carboxylic acid ester production catalyst in the range of 0.20 to 0.99.