There are many reasons to learn how to divide Xe into syllables. Separating a word like Xe into syllables is mainly to make it easier to read and pronounce. The syllable is the smallest sound unit in a word, and the separation of the Xe into syllables allows speakers to better segment and emphasize each sound unit.
Knowing how to separate Xe into syllables can be especially useful for those learning to read and write, because it helps them understand and pronounce Xe more accurately. Furthermore, separating Xe into syllables can also be useful in teaching grammar and spelling, as it allows students to more easily understand and apply the rules of accentuation and syllable division.
In the case of the word Xe, we find that when separating into syllables the resulting number of syllables is 1. With this in mind, it's much easier to learn how to pronounce Xe, as we can focus on perfecting the syllabic pronunciation before trying to pronounce Xe in full or within a sentence. Likewise, this breakdown of Xe into syllables makes it easier for us to remember how to write it.