p16F913

I will like to know what is gonna happen if i power down the microcontroller when the WRITE instructions are in use

To be more accurate let say i will like to write a word variable (16 bits) to eeprom (14 bits).... so i have to use:

HIGH_BYTE=VAR/256
LOW_BYTE=VAR-HI_BYTE

WRITE X, HI_BYTE
...power-down mcu occur HERE
WRITE Y,LOW_BYTE


Thank you