“It is not permissible for a woman to dispose of her wealth except with her husband's permission, once he has married her.”  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ فِي خُطْبَةٍ خَطَبَهَا لاَ يَجُوزُ لاِمْرَأَةٍ فِي مَالِهَا إِلاَّ بِإِذْنِ زَوْجِهَا إِذَا هُوَ مَلَكَ عِصْمَتَهَا  

his grandmother Khairah, the wife of Ka'b bin Malik, came to the Messenger of Allah ﷺ with some jewelry belonging to her and said, I am giving this in charity. The Messenger of Allah ﷺ said to her: “It is not permissible for a woman to dispose of her wealth without her husband's permission. Did you ask Ka'b's permission?” She said: “Yes.” So the Messenger of Allah ﷺ sent for Ka'b bin Malik, her husband, and said, “Did you give Khairah permission to give her jewelry in charity?” He said: “Yes.” So the Messenger of Allah ﷺ accepted it from her.  

أَنَّ جَدَّتَهُ خَيْرَةَ امْرَأَةَ كَعْبِ بْنِ مَالِكٍ أَتَتْ رَسُولَ اللَّهِ ﷺ بِحُلِيٍّ لَهَا فَقَالَتْ إِنِّي تَصَدَّقْتُ بِهَذَا فَقَالَ لَهَا رَسُولُ اللَّهِ ﷺ لاَ يَجُوزُ لِلْمَرْأَةِ فِي مَالِهَا إِلاَّ بِإِذْنِ زَوْجِهَا فَهَلِ اسْتَأْذَنْتِ كَعْبًا قَالَتْ نَعَمْ فَبَعَثَ رَسُولُ اللَّهِ ﷺ إِلَى كَعْبِ بْنِ مَالِكٍ زَوْجِهَا فَقَالَ هَلْ أَذِنْتَ لِخَيْرَةَ أَنْ تَتَصَدَّقَ بِحُلِيِّهَا فَقَالَ نَعَمْ فَقَبِلَهُ رَسُولُ اللَّهِ ﷺ مِنْهَا