CCP 422     

Art. 422.  Personal, real, mixed actions

A personal action is one brought to enforce an obligation against the obligor, personally and independently of the property which he may own, claim, or possess.

A real action is one brought to enforce rights in, to, or upon immovable property.

A mixed action is one brought to enforce both rights in, to, or upon immovable property, and a related obligation against the owner, claimant, or possessor thereof.