If you were to go to court, it would review the existing relationship that your spouse has with the children and whether a move to MA would impair that relationship. The best interests of the children will be the determinative factor.
I suggest you try mediating this matter with your spouse and try resolving the issue out of court.
If you are living in the NYC Metro area, please call me at 212-370-1660 to discuss mediation.
Leonard Weiner, Esq./Divorce Solutions