neutino is emitted with anti-electron ( positron )

anti - neutrino is emitted with electron.

p --> n + e ⁺ + neutrino

n--> p + e ^- + anti - neutrino

particle + anti - neutrino

anti- particle + neutrino

neutrino and anti - neutrino differer in only direction of spin. One is right handed and the other is left handed. In all other respect they r same , :

mass ---negligble

charge ----nil