It would be wisdom on their part to do so. The Scriptures mention several incidents in which wives spoke or acted even without their views being solicited by their husbands. Consider two cases.
कुलपिता अब्राहामाची पत्नी सारा हिने त्याची दुसरी पत्नी व तिचा मुलगा यांना घरातून घालवून द्यावे असा त्याच्यामागे तगादा लावला कारण ते अनादराने वागत होते.